# Hornetsecurity vs Microsoft Exchange 2019 Transport Filtering Agent: side-by-side comparison (2026) [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Hornetsecurity](https://cybersectools.com/companies/hornetsecurity). [Microsoft Exchange 2019 Transport Filtering Agent](https://cybersectools.com/tools/microsoft-exchange-2019-transport-filtering-agent) is a free [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Side-by-side comparison | | Hornetsecurity | Microsoft Exchange 2019 Transport Filtering Agent | |---|---|---| | Pricing model | Commercial | Free | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | GitHub stars | – | 20 | | Last commit | – | Aug 2021 | | Company | Hornetsecurity | – | | Headquarters | – | – | ### Use cases and capabilities | | Hornetsecurity | Microsoft Exchange 2019 Transport Filtering Agent | |---|---|---| | Microsoft 365 | Yes | – | | Office 365 | Yes | – | | Microsoft | Yes | – | | Spam Prevention | Yes | – | | Multi Tenancy | Yes | – | | Regex | – | Yes | ### Core features **Hornetsecurity** 10 features listed. Sign in on the page to see them. **Microsoft Exchange 2019 Transport Filtering Agent** No features listed. ### Integrations **Hornetsecurity** 1 integration listed. Sign in on the page to see them. **Microsoft Exchange 2019 Transport Filtering Agent** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity) fits if you want a cloud product. - [Microsoft Exchange 2019 Transport Filtering Agent](https://cybersectools.com/tools/microsoft-exchange-2019-transport-filtering-agent) fits if you need to run it on your own servers, you need a free product and you want an open-source product. ## Hornetsecurity vs Microsoft Exchange 2019 Transport Filtering Agent FAQ Common questions when comparing Hornetsecurity vs Microsoft Exchange 2019 Transport Filtering Agent for email security platforms. ### What is the difference between Hornetsecurity and Microsoft Exchange 2019 Transport Filtering Agent? **Hornetsecurity**: Cloud security platform for M365 covering email, backup, and awareness. Built by Hornetsecurity. **Microsoft Exchange 2019 Transport Filtering Agent**: Detects and handles potential malware in Microsoft Exchange 2019 messages with various techniques and third-party libraries. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Hornetsecurity and Microsoft Exchange 2019 Transport Filtering Agent? **Hornetsecurity** is made by Hornetsecurity. **Microsoft Exchange 2019 Transport Filtering Agent** is open-source with 20 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Hornetsecurity a good alternative to Microsoft Exchange 2019 Transport Filtering Agent? Often, yes. Hornetsecurity and Microsoft Exchange 2019 Transport Filtering Agent are both Email Security Platforms products. Key differences: Hornetsecurity is Commercial while Microsoft Exchange 2019 Transport Filtering Agent is Free, Microsoft Exchange 2019 Transport Filtering Agent is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Hornetsecurity vs ID Agent Graphus](https://cybersectools.com/compare/hornetsecurity-vs-id-agent-graphus) - [Hornetsecurity vs SpamTitan for Office 365](https://cybersectools.com/compare/hornetsecurity-vs-spamtitan-for-office-365) - [Hornetsecurity vs ESET Cloud Office Security](https://cybersectools.com/compare/hornetsecurity-vs-eset-cloud-office-security) - [Microsoft Exchange 2019 Transport Filtering Agent vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-microsoft-exchange-2019-transport-filtering-agent) - [Microsoft Exchange 2019 Transport Filtering Agent vs SpamTitan for Office 365](https://cybersectools.com/compare/microsoft-exchange-2019-transport-filtering-agent-vs-spamtitan-for-office-365) - [Microsoft Exchange 2019 Transport Filtering Agent vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-microsoft-exchange-2019-transport-filtering-agent) ## Alternatives to each - [See all Hornetsecurity alternatives](https://cybersectools.com/alternatives/hornetsecurity) - [See all Microsoft Exchange 2019 Transport Filtering Agent alternatives](https://cybersectools.com/alternatives/microsoft-exchange-2019-transport-filtering-agent) --- Source: https://cybersectools.com/compare/hornetsecurity-vs-microsoft-exchange-2019-transport-filtering-agent For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hornetsecurity.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Hornetsecurity and Microsoft Exchange 2019 Transport Filtering Agent: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md